ZOGENIX INC

CUSIP: 98978L105 Class: CMN

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

Note: Option positions (PUT/CALL) are excluded.

Q2 2015
Shares 4,462,057 Value ($000) $7,496 Avg Close — Range —
Q1 2015
Shares 4,317,263 Value ($000) $5,914 Avg Close — Range —
Q4 2014
Shares 3,803,283 Value ($000) $5,211 Avg Close — Range —
Q3 2014
Shares 3,538,454 Value ($000) $4,069 Avg Close — Range —
Q2 2014
Shares 3,444,706 Value ($000) $6,924 Avg Close — Range —
Q1 2014
Shares 3,312,402 Value ($000) $9,424 Avg Close — Range —
Q4 2013
Shares 2,790,992 Value ($000) $9,601 Avg Close — Range —
Q3 2013
Shares 2,051,960 Value ($000) $3,817 Avg Close — Range —
Q2 2013
Shares 1,947,477 Value ($000) $3,330 Avg Close — Range —